Example usage for org.apache.lucene.search.highlight Highlighter setEncoder

Introduction

In this page you can find the example usage for org.apache.lucene.search.highlight Highlighter setEncoder.

Prototype

public void setEncoder(Encoder encoder) 

Source Link

Usage

From source file:de.blizzy.documentr.search.GetSearchHitTask.java

License:Open Source License

@Override
public SearchHit call() throws IOException {
    Formatter formatter = new SimpleHTMLFormatter("<strong>", "</strong>"); //$NON-NLS-1$ //$NON-NLS-2$
    Scorer scorer = new QueryScorer(query);
    Highlighter highlighter = new Highlighter(formatter, scorer);
    highlighter.setTextFragmenter(new SimpleFragmenter(FRAGMENT_SIZE));
    highlighter.setEncoder(new SimpleHTMLEncoder());

    Document doc = reader.document(docId);
    String projectName = doc.get(PageIndex.PROJECT);
    String branchName = doc.get(PageIndex.BRANCH);
    String path = doc.get(PageIndex.PATH);
    String title = doc.get(PageIndex.TITLE);
    String text = doc.get(PageIndex.TEXT);
    String[] tagsArray = doc.getValues(PageIndex.TAG);
    List<String> tags = Lists.newArrayList(tagsArray);
    Collections.sort(tags);/*from w w  w  .  j  av  a 2s  .  c  om*/
    TokenStream tokenStream = null;
    String highlightedText = StringUtils.EMPTY;
    try {
        tokenStream = TokenSources.getAnyTokenStream(reader, docId, PageIndex.TEXT, doc, analyzer);
        String[] fragments = highlighter.getBestFragments(tokenStream, text, NUM_FRAGMENTS);
        cleanupFragments(fragments);
        highlightedText = Util.join(fragments, " <strong>...</strong> "); //$NON-NLS-1$
    } catch (InvalidTokenOffsetsException e) {
        // ignore
    } finally {
        Closeables.closeQuietly(tokenStream);
    }
    return new SearchHit(projectName, branchName, path, title, highlightedText, tags);
}

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